This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A gleaming white and undulating tower marks the border between Georgia and Turkey.

Remnants of successive wars and Muslim colonialism in the 11th century.

Mausoleum and Holy Seat of Antiochus I of Commagene.

An abused and forgotten metropolis, abandoned for centuries.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Budapest's Communist-era statues, banished to the suburbs.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

You would never come across this tiny green oasis if you didn't know it existed.

This enormous steel tube is the biggest speaking horn in the world.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A giant bug impaled on a 75-foot-tall needle.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

The highest point in Belgium is a staircase to nowhere.

Brussels' favorite peeing boy has a sister.